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Commit b3e0d141 authored by Icenowy Zheng's avatar Icenowy Zheng Committed by Kishon Vijay Abraham I
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phy: sun4i: add support for A64 usb phy 



There's something unknown in the pmu part that shared with H3.
It's renamed as PMU_UNK1 from PMU_UNK_H3.

Signed-off-by: default avatarIcenowy Zheng <icenowy@aosc.xyz>
Signed-off-by: default avatarKishon Vijay Abraham I <kishon@ti.com>
parent 732e35da

drivers/phy/phy-sun4i-usb.c

+29 −6
Original line number Diff line number Diff line
@@ -50,7 +50,7 @@ 
#define REG_PHYCTL_A33			0x10

#define REG_PHY_UNK_H3			0x20



#define REG_PMU_UNK_H3			0x10

#define REG_PMU_UNK1			0x10



#define PHYCTL_DATA			BIT(7)
@@ -98,6 +98,7 @@ enum sun4i_usb_phy_type { 
	sun6i_a31_phy,

	sun8i_a33_phy,

	sun8i_h3_phy,

	sun50i_a64_phy,

};



struct sun4i_usb_phy_cfg {
@@ -106,6 +107,7 @@ struct sun4i_usb_phy_cfg { 
	u32 disc_thresh;

	u8 phyctl_offset;

	bool dedicated_clocks;

	bool enable_pmu_unk1;

};



struct sun4i_usb_phy_data {
@@ -183,8 +185,9 @@ static void sun4i_usb_phy_write(struct sun4i_usb_phy *phy, u32 addr, u32 data, 


	mutex_lock(&phy_data->mutex);



	if (phy_data->cfg->type == sun8i_a33_phy) {

		/* A33 needs us to set phyctl to 0 explicitly */

	if (phy_data->cfg->type == sun8i_a33_phy ||

	    phy_data->cfg->type == sun50i_a64_phy) {

		/* A33 or A64 needs us to set phyctl to 0 explicitly */

		writel(0, phyctl);

	}
@@ -258,14 +261,16 @@ static int sun4i_usb_phy_init(struct phy *_phy) 
		return ret;

	}



	if (data->cfg->enable_pmu_unk1) {

		val = readl(phy->pmu + REG_PMU_UNK1);

		writel(val & ~2, phy->pmu + REG_PMU_UNK1);

	}



	if (data->cfg->type == sun8i_h3_phy) {

		if (phy->index == 0) {

			val = readl(data->base + REG_PHY_UNK_H3);

			writel(val & ~1, data->base + REG_PHY_UNK_H3);

		}



		val = readl(phy->pmu + REG_PMU_UNK_H3);

		writel(val & ~2, phy->pmu + REG_PMU_UNK_H3);

	} else {

		/* Enable USB 45 Ohm resistor calibration */

		if (phy->index == 0)
@@ -737,6 +742,7 @@ static const struct sun4i_usb_phy_cfg sun4i_a10_cfg = { 
	.disc_thresh = 3,

	.phyctl_offset = REG_PHYCTL_A10,

	.dedicated_clocks = false,

	.enable_pmu_unk1 = false,

};



static const struct sun4i_usb_phy_cfg sun5i_a13_cfg = {
@@ -745,6 +751,7 @@ static const struct sun4i_usb_phy_cfg sun5i_a13_cfg = { 
	.disc_thresh = 2,

	.phyctl_offset = REG_PHYCTL_A10,

	.dedicated_clocks = false,

	.enable_pmu_unk1 = false,

};



static const struct sun4i_usb_phy_cfg sun6i_a31_cfg = {
@@ -753,6 +760,7 @@ static const struct sun4i_usb_phy_cfg sun6i_a31_cfg = { 
	.disc_thresh = 3,

	.phyctl_offset = REG_PHYCTL_A10,

	.dedicated_clocks = true,

	.enable_pmu_unk1 = false,

};



static const struct sun4i_usb_phy_cfg sun7i_a20_cfg = {
@@ -761,6 +769,7 @@ static const struct sun4i_usb_phy_cfg sun7i_a20_cfg = { 
	.disc_thresh = 2,

	.phyctl_offset = REG_PHYCTL_A10,

	.dedicated_clocks = false,

	.enable_pmu_unk1 = false,

};



static const struct sun4i_usb_phy_cfg sun8i_a23_cfg = {
@@ -769,6 +778,7 @@ static const struct sun4i_usb_phy_cfg sun8i_a23_cfg = { 
	.disc_thresh = 3,

	.phyctl_offset = REG_PHYCTL_A10,

	.dedicated_clocks = true,

	.enable_pmu_unk1 = false,

};



static const struct sun4i_usb_phy_cfg sun8i_a33_cfg = {
@@ -777,6 +787,7 @@ static const struct sun4i_usb_phy_cfg sun8i_a33_cfg = { 
	.disc_thresh = 3,

	.phyctl_offset = REG_PHYCTL_A33,

	.dedicated_clocks = true,

	.enable_pmu_unk1 = false,

};



static const struct sun4i_usb_phy_cfg sun8i_h3_cfg = {
@@ -784,6 +795,16 @@ static const struct sun4i_usb_phy_cfg sun8i_h3_cfg = { 
	.type = sun8i_h3_phy,

	.disc_thresh = 3,

	.dedicated_clocks = true,

	.enable_pmu_unk1 = true,

};



static const struct sun4i_usb_phy_cfg sun50i_a64_cfg = {

	.num_phys = 2,

	.type = sun50i_a64_phy,

	.disc_thresh = 3,

	.phyctl_offset = REG_PHYCTL_A33,

	.dedicated_clocks = true,

	.enable_pmu_unk1 = true,

};



static const struct of_device_id sun4i_usb_phy_of_match[] = {
@@ -794,6 +815,8 @@ static const struct of_device_id sun4i_usb_phy_of_match[] = { 
	{ .compatible = "allwinner,sun8i-a23-usb-phy", .data = &sun8i_a23_cfg },

	{ .compatible = "allwinner,sun8i-a33-usb-phy", .data = &sun8i_a33_cfg },

	{ .compatible = "allwinner,sun8i-h3-usb-phy", .data = &sun8i_h3_cfg },

	{ .compatible = "allwinner,sun50i-a64-usb-phy",

	  .data = &sun50i_a64_cfg},

	{ },

};

MODULE_DEVICE_TABLE(of, sun4i_usb_phy_of_match);